What will improve the battery life of a Cisco Unified Wireless IP Phone 7921G?（）A、configuring phone to auto select networkB、configuring beacon period to 80 msC、configuring DTIM period to 2D、enabling RRM
What will improve the battery life of a Cisco Unified Wireless IP Phone 7921G?（）
- A、configuring phone to auto select network
- B、configuring beacon period to 80 ms
- C、configuring DTIM period to 2
- D、enabling RRM
相关考题：
Which wireless LAN statistics are reported from the Cisco Unified Wireless IP Phone 7921G via a directly connected web browser?（）A、duplicate sender packetsB、unicast packet retry rateC、unicast packet retry ratioD、association rejections
For an active Cisco Unified Wireless IP Phone 7921G 5 GHz site survey， what are the mostappropriate client test settings to use with the AirMagnet site survey tool？（）A、100 mW， 24 Mb/sB、100 mW， 18 Mb/sC、25 mW， 18 Mb/sD、3.2 mW， 54 Mb/s
What two are features of the Cisco Unified CallManager Express QCT?（）A、autodetection of Cisco router components B、automatic download of system parameters from central site C、standards-based autoconfiguration using SIP and SCCP D、support for barcode-scanned input of IP-phone MAC addresses and phone types E、automatic identification of phone types and MAC addresses upon booting the Cisco Unified CallManager Express router
Which two EAP types does the Cisco Unified Wireless IP Phone 7921G firmware code version 1.3(x) support?（）A、EAP-TLSB、EAP-TTLSC、EAP-SIMD、PEAPv1/EAP-GTCE、LEAP
What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）A、CS3B、CS1C、EFD、5E、6
What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？A、more access points than a data networkB、fewer access points than a data networkC、less SNR than a data networkD、specific relative access point placement
Which configuration should be done in order to improve the performance of the Cisco Unified Wireless IP Phone 7921G in a WLAN infrastructure?（）A、enable aggressive load balancingB、enable coverage hole detectionC、disable dynamic transmit power controlD、enable short preamble
When configuring Cisco IOS login enhancements for virtual connections， what is the "quiet period"？（）A、The period of time in which virtual login attempts are blocked， following repeated failed login attemptsB、The period of time in which virtual logins are blocked as security services fully initializeC、A period of time when no one is attempting tolog inD、The period of time between successive login attempts
When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones. Whichtwo general control settings should you select？（）A、Multicast onB、Aggressive Load Balancing offC、Multicast offD、AP Fallback onE、Aggressive Load Balancing on
Which statement describes the call behavior of the Cisco Unified Wireless IP Phone 7921G when it roams from 802.11b to 802.11a?（）A、The phone does a directed call hangup on 802.11b，then does an auto-redial on 802.11a，creating a new call.B、The phone does a directed call hangup on 802.11b， then the user does a redial on 802.11a，creating a new call.C、The phone does a disassociation on 802.11b and an association on 802.11a，and call remains up if the subnet has not changed.D、The phone does not roam from 802.11b to 802.11a when on an active call.E、The phone must switch network profiles to roam from 802.11b to 802.11a.
What is the Cisco recommended setting for the Cisco Unified Wireless Network WLC Voice Call Admission Control Max RF Bandwidth to support the Cisco Unified Wireless IP Phone 7921G?（）A、nominally 30 percent to best align with Cisco Unified Communications System recommendationsB、100 percent to ensure that the VoWLAN calls can use all the available bandwidth, if neededC、system default of 75 percentD、40 to 60 percentE、voice CAC should be left disabled unless wired QoS is configured
Which keypad sequence will reset the Cisco Unified Wireless IP Phone 7921 to factory default?（）A、***B、**#C、**1D、**2
When planning for voice deployments with the Cisco Unified Wireless IP Phone 7921G handset in amultifloor building with a WLAN that operates at an 11 MB/s data rate， how many decibelsreferenced to 1 milliwatt of same-channel separation are recommended between floors？（）A、13 dBmB、19 dBmC、25 dBmD、31 dBm
Which three actions are required to access the network statistics on a remote Cisco Unified Wireless IP Phone 7921G via a web browser?（）A、Browse to the phone using the MAC address of the phone.B、Use HTTPS:// preceding the address of the phone.C、Change web access to read/write for the MAC address of the phone on Cisco Unified Communications Manager.D、Enter the username and password of the phone.E、Ensure that the host is on the same subnet as the remote phone.
单选题What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）ACS3BCS1CEFD5E6
多选题What two are features of the Cisco Unified CallManager Express QCT?（）Aautodetection of Cisco router componentsBautomatic download of system parameters from central siteCstandards-based autoconfiguration using SIP and SCCPDsupport for barcode-scanned input of IP-phone MAC addresses and phone typesEautomatic identification of phone types and MAC addresses upon booting the Cisco Unified CallManager Express router
单选题What is the Cisco recommended setting for the Cisco Unified Wireless Network WLC Voice Call Admission Control Max RF Bandwidth to support the Cisco Unified Wireless IP Phone 7921G?（）Anominally 30 percent to best align with Cisco Unified Communications System recommendationsB100 percent to ensure that the VoWLAN calls can use all the available bandwidth, if neededCsystem default of 75 percentD40 to 60 percentEvoice CAC should be left disabled unless wired QoS is configured
单选题What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？Amore access points than a data networkBfewer access points than a data networkCless SNR than a data networkDspecific relative access point placement
单选题When configuring Cisco IOS login enhancements for virtual connections， what is the "quiet period"？（）AThe period of time in which virtual login attempts are blocked， following repeated failed login attemptsBThe period of time in which virtual logins are blocked as security services fully initializeCA period of time when no one is attempting tolog inDThe period of time between successive login attempts
多选题Which two are valid agent interfaces for Cisco Unified Contact Center Express?（）AMacintosh workstation with Cisco IP Phone AgentBLinux workstation running CAD with IP CommunicatorCLinux workstation running CAD with Cisco Unified IP Phone 7960GDCitrix Terminal running CAD with IP CommunicatorECitrix Terminal with Cisco IP Phone AgentFWindows workstation running CAD with Media Termination option
多选题When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones，which two general control settings should you select？（）AAggressive Load Balancing onBAggressive Load Balancing offCMulticast onDMulticast offEAP Fallback onFAP Fallback off
多选题When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones. Whichtwo general control settings should you select？（）AMulticast onBAggressive Load Balancing offCMulticast offDAP Fallback onEAggressive Load Balancing on
单选题What will improve the battery life of a Cisco Unified Wireless IP Phone 7921G?（）Aconfiguring phone to auto select networkBconfiguring beacon period to 80 msCconfiguring DTIM period to 2Denabling RRM
单选题Which keypad sequence will reset the Cisco Unified Wireless IP Phone 7921 to factory default?（）A***B**#C**1D**2
多选题Which two EAP types does the Cisco Unified Wireless IP Phone 7921G firmware code version 1.3(x) support?（）AEAP-TLSBEAP-TTLSCEAP-SIMDPEAPv1/EAP-GTCELEAP
单选题Which statement describes the call behavior of the Cisco Unified Wireless IP Phone 7921G when it roams from 802.11b to 802.11a?（）AThe phone does a directed call hangup on 802.11b，then does an auto-redial on 802.11a，creating a new call.BThe phone does a directed call hangup on 802.11b， then the user does a redial on 802.11a，creating a new call.CThe phone does a disassociation on 802.11b and an association on 802.11a，and call remains up if the subnet has not changed.DThe phone does not roam from 802.11b to 802.11a when on an active call.EThe phone must switch network profiles to roam from 802.11b to 802.11a.
单选题For an active Cisco Unified Wireless IP Phone 7921G 5 GHz site survey， what are the mostappropriate client test settings to use with the AirMagnet site survey tool？（）A100 mW， 24 Mb/sB100 mW， 18 Mb/sC25 mW， 18 Mb/sD3.2 mW， 54 Mb/s